Browning machine gun caliber .30, HB, M1919A4 (mounted in combat vehicles) - USA Basic Field Manual, FM 23-50 Browning machine gun, caliber .50 HB, M2 / War Department - USA Field Manual, FM 23-65 Browning machine gun, caliber .30, HB M1919A4, ground - USA Basic Field Manual, FM 23-45 Browning machine gun, caliber .30, HB, M1919A4, ground - USA Basic Field Manual, FM 23-45 Regulations governing the uniforms for commissioned officers and enlisted men of the United States Coast Guard, 1930 Antiaircraft artillery : service of the piece, 37-mm antiaircraft gun (case 1 firing) / prepared under the direction of the Chief of Coast Artillery - … Antiaircraft artillery : service of the piece 40-mm antiaircraft gun - USA Coast Artillery Field Manual, FM 4-141 Antiaircraft artillery : service of the piece 3-inch antiaircraft gun - USA Coast Artillery Field Manual, FM 4-125 Dispatch drafting manual Field artillery : Gunnery - USA Field Manual, FM 6-40 Federal Specification : Paper, duplicating, copy and master, liquid process Finance department : general provisions - United States War Department, Army Regulations 35-5
